CN206668171U - A kind of oil-extractor polish-rod anticollision bending apparatus - Google Patents

Abstract

The utility model discloses a kind of oil-extractor polish-rod anticollision bending apparatus, including polished rod, the bottom of the polished rod is socketed with the sleeve pipe being slidably connected with it, the both ends of described sleeve pipe inner chamber are provided with expansion plate, the bottom of described sleeve pipe inner chamber is installed with housing, the housing is internally provided with pressure dissipation device, the pressure dissipation device includes carrying case, the bottom of the carrying case inner chamber is fixedly connected with one end of compression spring, the other end of the compression spring is fixedly connected with the lower surface of transverse slat, the upper surface of the transverse slat is fixedly connected with one end of connecting pole, the other end of the connecting pole passes through carrying case and extends to the outside of carrying case and is fixedly connected with the lower surface of contact plate, the movable end of the expansion plate is fixedly connected with the lower surface of contact plate.The oil-extractor polish-rod anticollision bending apparatus, has reached force resolution, serve buffering and resistance hit effect, protect polished rod, it is therefore prevented that polished rod hit it is curved, it is reasonable in design, it is practical.

Description

A kind of oil-extractor polish-rod anticollision bending apparatus

Technical field

Oil pumper technical field is the utility model is related to, specially a kind of oil-extractor polish-rod anticollision bending apparatus.

Background technology

Oil pumper is a kind of machinery equipment for exploiting oil, is commonly called as " machine of kowtowing ", oil is gone out well by the method for pressurization. When oil pumper upstroke, oil pipe elastic shrinkage is moved upwards, and driving mechanical block-relief oil production device moves upwards, is hit sliding sleeve and is produced Vibration；Meanwhile copper current only valve is closed, for reducing piston assembly closure oil when oil pumper down stroke, oil pipe elastic elongation is downward Motion, driving mechanical block-relief oil production device move downward, and hit sliding sleeve and produce vibration；Meanwhile reversed check valve part is closed, reducing Piston assembly still blocks oil jacket ring shaped oil passage, reversed check valve lower zone is formed higher-pressure region, this motion is again to stratum Interior oil flow channel produces a kind of reverse impulsive force.Anticollision bending apparatus has been used on oil-extractor polish-rod, has been authorized in China public A kind of oil-extractor polish-rod anticollision bending apparatus write in the U of announcement CN 205618599, only by buffer board, on sleeve pipe, second The setting of two times buffer boards and the second buffer spring, the effect that buffering resistance is hit well is not reached, it is impossible to ensure that polished rod is prevented Only hit curved.

Utility model content

（One）The technical problem of solution

In view of the shortcomings of the prior art, the utility model provides a kind of oil-extractor polish-rod anticollision bending apparatus, solves and takes out Oil machine polished rod anticollision bending apparatus buffering resistance collision performance it is bad, it is bad to polished rod protecting effect the problem of.

（Two）Technical scheme

To achieve the above object, the utility model provides following technical scheme：A kind of oil-extractor polish-rod anticollision bending apparatus, bag Include polished rod, the bottom of the polished rod is socketed with the sleeve pipe being slidably connected with it, and the both ends of described sleeve pipe inner chamber are provided with flexible Plate, the bottom of described sleeve pipe inner chamber are installed with housing, and the housing is internally provided with pressure dissipation device, the pressure Dispersal device includes carrying case, and the bottom of the carrying case inner chamber is fixedly connected with one end of compression spring, the compression spring The other end be fixedly connected with the lower surface of transverse slat, the upper surface of the transverse slat is fixedly connected with one end of connecting pole, the company The other end of post is connect through carrying case and extends to the outside of carrying case and is fixedly connected with the lower surface of contact plate, the expansion plate Movable end be fixedly connected with the lower surface of contact plate, the both sides of the carrying case inner chamber are installed with horizontal block, the horizontal stroke The top of block is fixedly connected with the lower surface of buffer unit, and the buffer unit includes box body, the bottom of the box body inner chamber with One end of second buffer spring is fixedly connected, and the other end of second buffer spring is fixedly connected with carrying the lower surface of shell, The lower surface of two sliding blocks that the top of the carrying shell is set with tray interior contacts, and the back of two sliding blocks is by the Side wall of three buffer springs respectively with box body inner chamber is flexibly connected, and the high spot of the opposite faces of two sliding blocks with support bottom connects Touch, the top of the support through box body and extends to the outside of box body, one end of the cantilever tip and the side of connecting pole It is fixedly connected.

Preferably, the connecting pole includes the first sheath body, the second sheath body and connecting rod, first sheath body and the second sheath body Be flexibly connected by connecting rod, the top and bottom of the connecting rod by the first buffer spring respectively with the first sheath body inner chamber Top and the bottom of the second sheath body inner chamber be flexibly connected, the upper surface of the lower surface of second sheath body and transverse slat, which is fixed, to be connected Connect, the top of first sheath body is fixedly connected with the lower surface of contact plate, the surface of first sheath body and one end of support It is fixedly connected.

Preferably, the top of the carrying case is fixedly connected with one end of telescopic mast, and the other end of the telescopic mast is with connecing The lower surface of touch panel is fixedly connected, and the outside of the telescopic mast is socketed with extrusion spring.

Preferably, the side of the contact plate is fixedly connected with one end of connection strap, the other end socket of the connection strap There is adapter sleeve, the side of the adapter sleeve is connected with the pulley contacted with internal surface of sleeve pipe, and the connection strap is away from contact plate One end be fixedly connected with one end of the 4th buffer spring, the other end of the 4th buffer spring and the side of adapter sleeve inwall It is fixedly connected.

（Three）Beneficial effect

The utility model provides a kind of oil-extractor polish-rod anticollision bending apparatus.Possesses following beneficial effect：

1st, the oil-extractor polish-rod anticollision bending apparatus, polished rod, sleeve pipe, expansion plate, housing, pressure dissipation device, loading are passed through Box, transverse slat, connecting pole, the first sheath body, the second sheath body, connecting rod, the first buffer spring, horizontal block, buffer unit, box body, second Buffer spring, carrying shell, sliding block, support, the 3rd buffer spring, compression spring, contact plate, telescopic mast, extrusion spring, connection Article, adapter sleeve, pulley and the 4th buffer spring be used cooperatively, reached force resolution, served buffering and resistance hits Effect, protect polished rod, it is therefore prevented that polished rod hit it is curved, it is reasonable in design, it is practical.

2nd, the oil-extractor polish-rod anticollision bending apparatus, box body, the second buffer spring, carrying shell, sliding block, support and the 3rd are passed through Being used cooperatively for buffer spring, has reached force resolution, serves the effect of buffering, protects polished rod, passes through connection strap, connection Set, pulley and the 4th buffer spring are used cooperatively, and have haveed the function that buffering, it is therefore prevented that the direct shock of polished rod, by stretching The setting of contracting plate, have the function that spacing.

Brief description of the drawings

Fig. 1 is the utility model structure front elevational view；

Fig. 2 is the profile of the utility model structural casing, housing and pressure dissipation device；

Fig. 3 is the profile of the utility model structure buffer unit；

Fig. 4 is partial enlarged drawing at the A of the utility model structure chart 2.

In figure：1 polished rod, 2 sleeve pipes, 3 expansion plates, 4 housings, 5 pressure dissipation devices, 51 carrying cases, 52 transverse slats, 53 connections Post, 531 first sheath bodies, 532 second sheath bodies, 533 connecting rods, 534 first buffer springs, 54 horizontal blocks, 55 buffer units, 551 boxes Body, 552 second buffer springs, 553 carrying shells, 554 sliding blocks, 555 supports, 556 the 3rd buffer springs, 56 compression springs, 6 contacts Plate, 7 telescopic masts, 8 extrusion springs, 9 connection straps, 10 adapter sleeves, 11 pulleys, 12 the 4th buffer springs.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

As Figure 1-4, the utility model provides a kind of technical scheme：A kind of oil-extractor polish-rod anticollision bending apparatus, including Polished rod 1, the bottom of polished rod 1 are socketed with the sleeve pipe 2 being slidably connected with it, and the both ends of the inner chamber of sleeve pipe 2 are provided with expansion plate 3, stretched Contracting plate 3 has retractility, and expansion plate 3 serves spacing effect, and expansion plate 3 is made up of the first plate body and the second plate body, sleeve pipe 2 The bottom of inner chamber is installed with housing 4, and housing 4 is internally provided with pressure dissipation device 5, and pressure dissipation device 5 includes dress Box 51 is carried, the bottom of the inner chamber of carrying case 51 is fixedly connected with one end of compression spring 56, and compression spring 56 has compressibility, compression Spring 56 is flexible, and the other end of compression spring 56 is fixedly connected with the lower surface of transverse slat 52, the upper surface of transverse slat 52 and company The one end for connecing post 53 is fixedly connected, and the other end of connecting pole 53 through carrying case 51 and extends to the outside of carrying case 51 with contacting The lower surface of plate 6 is fixedly connected, and the movable end of expansion plate 3 is fixedly connected with the lower surface of contact plate 6, and the two of the inner chamber of carrying case 51 Side is installed with horizontal block 54, and the top of horizontal block 54 is fixedly connected with the lower surface of buffer unit 55, and buffer unit 55 includes Box body 551, the bottom of the inner chamber of box body 551 are fixedly connected with one end of the second buffer spring 552, the second buffer spring 552 it is another One end is fixedly connected with carrying the lower surface of shell 553, carries two sliding blocks 554 that the top of shell 553 is set with the inside of box body 551 Lower surface contact, the back of two sliding blocks 554 passes through the 3rd buffer spring 556 side wall with the inner chamber of box body 551 respectively It is flexibly connected, the high spot of the opposite faces of two sliding blocks 554 with the bottom of support 555 contacts, and the top of support 555 passes through box body 551 and the outside of box body 551 is extended to, the one end on the top of support 555 is fixedly connected with the side of connecting pole 53.

Connecting pole 53 includes the first sheath body 531, the second sheath body 532 and connecting rod 533, the first sheath body 531 and the second sheath body 532 are flexibly connected by connecting rod 533, and the top and bottom of connecting rod 533 are by the first buffer spring 534 respectively with first The top of the inner chamber of sheath body 531 and the bottom of the inner chamber of the second sheath body 532 are flexibly connected, lower surface and the transverse slat 52 of the second sheath body 532 Upper surface be fixedly connected, the top of the first sheath body 531 is fixedly connected with the lower surface of contact plate 6, the surface of the first sheath body 531 It is fixedly connected with one end of support 555, passes through the first sheath body 531, the second sheath body 532, the buffer spring of connecting rod 533 and first 534 be used cooperatively, has haveed the function that buffering, the effect with impact resistance damping.

The top of carrying case 51 is fixedly connected with one end of telescopic mast 7, the other end of telescopic mast 7 and the following table of contact plate 6 Face is fixedly connected, and the outside of telescopic mast 7 is socketed with extrusion spring 8, being used cooperatively for telescopic mast 7 and extrusion spring 8, has reached slow Made spacing effect, extrusion spring 8 have compressibility, and extrusion spring 8 has the function that to reset.

The side of contact plate 6 is fixedly connected with one end of connection strap 9, and the other end of connection strap 9 is socketed with adapter sleeve 10, even The side of female connector 10 is connected with the pulley 11 contacted with the inwall of sleeve pipe 2, the one end of connection strap 9 away from contact plate 6 and the 4th One end of buffer spring 12 is fixedly connected, and the other end of the 4th buffer spring 12 is fixedly connected with the side of the inwall of adapter sleeve 10, It is used cooperatively by connection strap 9, adapter sleeve 10, pulley 11 and the 4th buffer spring 12, has haveed the function that buffering, it is therefore prevented that The direct shock of polished rod 1.

It can to sum up obtain, the oil-extractor polish-rod anticollision bending apparatus, pass through polished rod 1, sleeve pipe 2, expansion plate 3, housing 4, pressure point It is in bulk to put 5, carrying case 51, transverse slat 52, connecting pole 53, the first sheath body 531, the second sheath body 532, connecting rod 533, the first buffering elastic Spring 534, horizontal block 54, buffer unit 55, box body 551, the second buffer spring 552, carrying shell 553, sliding block 554, support 555, the Three buffer springs 556, compression spring 56, contact plate 6, telescopic mast 7, extrusion spring 8, connection strap 9, adapter sleeve 10, the and of pulley 11 Being used cooperatively for 4th buffer spring 12, has reached force resolution, serves the effect of buffering and resistance shock, protects polished rod 1, it is therefore prevented that polished rod 1 hit it is curved, it is reasonable in design, it is practical.

In addition, the oil-extractor polish-rod anticollision bending apparatus, by box body 551, the second buffer spring 552, carries shell 553, sliding Block 554, the buffer spring 556 of support 555 and the 3rd are used cooperatively, and have been reached force resolution, are served the effect of buffering, are protected Polished rod 1, it is used cooperatively by connection strap 9, adapter sleeve 10, pulley 11 and the 4th buffer spring 12, has reached the work of buffering With, it is therefore prevented that the direct shock of polished rod 1, by the setting of expansion plate 3, have the function that spacing.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Other identical element also be present in process, method, article or equipment including the key element.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof, it is necessary to illustrate, this article The electric elements of middle appearance electrically connect with the main controller and 220V civil powers in the external world, and main controller can be that computer etc. plays control The conventionally known equipment of system.

Claims (4)

1. a kind of oil-extractor polish-rod anticollision bending apparatus, including polished rod（1）, it is characterised in that：The polished rod（1）Bottom be socketed with The sleeve pipe being slidably connected with it（2）, described sleeve pipe（2）The both ends of inner chamber are provided with expansion plate（3）, described sleeve pipe（2）Inner chamber Bottom be installed with housing（4）, the housing（4）Be internally provided with pressure dissipation device（5）, the pressure dissipation dress Put（5）Including carrying case（51）, the carrying case（51）The bottom of inner chamber and compression spring（56）One end be fixedly connected, it is described Compression spring（56）The other end and transverse slat（52）Lower surface be fixedly connected, the transverse slat（52）Upper surface and connecting pole （53）One end be fixedly connected, the connecting pole（53）The other end pass through carrying case（51）And extend to carrying case（51）It is outer Portion and contact plate（6）Lower surface be fixedly connected, the expansion plate（3）Movable end and contact plate（6）Lower surface fix connect Connect, the carrying case（51）The both sides of inner chamber are installed with horizontal block（54）, the horizontal block（54）Top and buffer unit （55）Lower surface be fixedly connected, the buffer unit（55）Including box body（551）, the box body（551）The bottom of inner chamber with Second buffer spring（552）One end be fixedly connected, second buffer spring（552）The other end with carrying shell（553）'s Lower surface is fixedly connected, the carrying shell（553）Top and box body（551）Two sliding blocks that inside is set（554）Following table Face contacts, two sliding blocks（554）Back pass through the 3rd buffer spring（556）Respectively with box body（551）The side wall of inner chamber It is flexibly connected, two sliding blocks（554）Opposite face and support（555）The high spot contact of bottom, the support（555）Top Hold through box body（551）And extend to box body（551）Outside, the support（555）The one end on top and connecting pole（53）'s Side is fixedly connected.

A kind of 2. oil-extractor polish-rod anticollision bending apparatus according to claim 1, it is characterised in that：The connecting pole（53）Bag Include the first sheath body（531）, the second sheath body（532）And connecting rod（533）, first sheath body（531）With the second sheath body（532）It is logical Cross connecting rod（533）It is flexibly connected, the connecting rod（533）Top and bottom pass through the first buffer spring（534）Respectively With the first sheath body（531）The top of inner chamber and the second sheath body（532）The bottom of inner chamber is flexibly connected, second sheath body（532） Lower surface and transverse slat（52）Upper surface be fixedly connected, first sheath body（531）Top and contact plate（6）Lower surface It is fixedly connected, first sheath body（531）Surface and support（555）One end be fixedly connected.

A kind of 3. oil-extractor polish-rod anticollision bending apparatus according to claim 1, it is characterised in that：The carrying case（51）'s Top and telescopic mast（7）One end be fixedly connected, the telescopic mast（7）The other end and contact plate（6）Lower surface fix connect Connect, the telescopic mast（7）Outside be socketed with extrusion spring（8）.

A kind of 4. oil-extractor polish-rod anticollision bending apparatus according to claim 1, it is characterised in that：The contact plate（6）'s Side and connection strap（9）One end be fixedly connected, the connection strap（9）The other end be socketed with adapter sleeve（10）, the connection Set（10）Side be connected with and sleeve pipe（2）The pulley of inwall contact（11）, the connection strap（9）Away from contact plate（6） One end and the 4th buffer spring（12）One end be fixedly connected, the 4th buffer spring（12）The other end and adapter sleeve （10）The side of inwall is fixedly connected.